250pi/4
74.42 gallons.
The height of 400 gallons of water would depend on the shape of the container. 400 US gallons has a volume of about 206,000 cubic inches, so if the inside of the container was about 59 inches square, it would also be about 59 inches high.
A cone 11 inches high by 4 inches in diameter has a volume of 46.08 cubic inches.
The volume of a cylinder 7 inches high by 4 inches in diameter is: 87.96 cubic inches.
The volume of a cylinder 1.5 inches in diameter x 36 inches high is 63.62 cubic inches.
A 3 inch diameter by 3 inch high container is 21.195 cubic inches. There is 1.805 cu in per ounce, so that would be 21.195/1.805 = 11.74 ounces
Approx 2.1 Imperial gallons = 2.5 US gallons.
This cylinder holds up to 0.154 liter of water.
The volume of a cylinder that measures 18 inches high and has a diameter of 9 inches is 1,145.11 cubic inches.
A round slab of space that's 23 inches in diameter and 8 inches high contains14.389 gallons of space. (rounded)It doesn't matter what the space is part of, or whether there's anything in it.It might even be empty.
Standard 55 gallon drum measures 22.5 inches in diameter, and 33.5 inches high. You can fit ten in the container lengthwise, four widthwise, and either two or three stacked atop each other (depending on the height of the container.. if you have 110 inches of inside height, it'll be three high). So, if it's three high, you'll be able to fit a total of 120 in a 20 ft. shipping container. This is, of course, assuming that these drums are not on pallets.